D2122132313112331313133313223313132313331323321111331323133313223313231221   >>    D212213231311233131313331322331313231333132332111133132313331322331323122   <<    D2122132313112331313133313223313132313331323321111331323133313223313231223   >>      D2122132313112331313133313223313132313331323321111331323133313223313231222   >>